Rubber crawler



FIG. 1 is a front view of a rubber crawler showing my new design;

FIG. 2 is a first perspective view thereof;

FIG. 3 is a second perspective view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a right side view thereof; and,

FIG. 9 is a front central longitudinal sectional view taken along line 9-9 in FIG. 1.

Broken lines in the drawing figures are used to show unclaimed portions of the rubber crawler, and thus form no part of the claimed invention. 

The ornamental design for a rubber crawler, as shown and described. 